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Two loose cam locks and a retaining clip resting below an open metal mailbox compartment. — Mailbox Lock Replacement, London

Change or rekey · London

Mailbox Lock Replacement

The key still turns, but lately it spins a half-circle further than it used to before the little door lets go, and some mornings it takes a second try. The small cam lock inside is simply worn out.

Call now · open 24/7(226) 785-2980

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In plain words

Moving into a new place is a common moment for this service, since a mailbox compartment rarely comes with a documented history of who was handed a key. Rather than trust hardware with an unknown past, the cylinder and cam are swapped for new ones sized to the same compartment door, two fresh keys are cut, and whatever key the previous resident or owner may still be carrying stops being useful from that afternoon onward.

Sound familiar?

The key still turns, but lately it spins a half-circle further than it used to before the little door lets go, and some mornings it takes a second try. The small cam lock inside is simply worn out.

How the visit goes

Mailbox Lock Replacement · London

How the visit goes

Technician in a cap and glasses holding a small key fob beside the dashboard of a black motorcycle in a garage.
  1. 1

    Measuring the cylinder

    The cylinder is measured from the face that sits flush with the compartment door to the back of the housing, and that length has to match the thickness of the material it passes through. Diameter matters just as much, since the hole already cut in the door will not change to fit a lock that is slightly too wide or too narrow. A tape measure and the old lock, still in hand, settle both numbers before a replacement is chosen, which is what keeps a swap to a single short visit.

  2. 2

    Working through a full panel

    When a property manager has asked for several compartments changed together, each one is still confirmed against the unit number or resident it belongs to before its lock comes out, and the work moves door by door rather than as one blanket swap. Compartments stay keyed separately from each other unless a resident specifically asks for their mailbox and another lock to share a key. A panel-wide visit closes with a simple list: which compartment received which lock, and how many keys went to each person.

  3. 3

    Knowing who to call next time

    After this visit, it helps to remember which kind of mailbox is on the property. A private box, a house's mail slot, or one compartment in a building's own panel is this service's territory going forward. A mailbox serving a whole street belongs to the postal operator, which issues its own replacement keys and handles its own lock problems directly, so a future issue with that kind of box is a call to them rather than a repeat visit here.

In the van

  • Drill and drilling guide
  • Lock de-icer
  • Key blanks
  • Replacement compartment hinge
  • Manufacturer-approved cylinder lubricant

What affects the quote

  1. 1

    Condition of the compartment door

    A door that has been bent, pried at, or knocked out of alignment on its hinge needs straightening alongside the lock, which is separate work from the lock swap itself.

  2. 2

    Corrosion or ice

    A lock stiffened by rust or frozen solid needs patient freeing before it can even be assessed, which adds time compared with a lock that opens and closes normally.

  3. 3

    Residential or commercial setting

    A house or apartment mailbox and a business mail slot use similar hardware, but a commercial compartment sometimes involves additional decision-makers or a different schedule for access.

Same fees day, night or weekend.

Have it ready

Before you call · 0 / 3

(226) 785-2980

Mailbox Lock Replacement: questions

Advice · (226) 785-2980

Can you service a community mailbox that the postal operator installed on our street?

That particular kind of mailbox is owned and serviced directly by the postal operator, including its locks and replacement keys, so a resident with a lost key there contacts them rather than a locksmith. This service covers mailboxes that belong to a home, a business, or a condo or apartment building, such as a lobby panel or a slot built into a house door.

How do I know what brand or type of lock is on my mailbox?

You generally do not need to; identifying the hardware is part of the visit. The locksmith reads the maker's mark on the lock face, measures the cylinder and cam, and checks the hole pattern in the compartment door, which together point to a matching replacement even when the original brand is no longer sold.

Can several compartments in the same panel be done in one visit?

Yes, this is common when a property manager notices several compartments failing around the same time. Each one is still confirmed against the resident or unit it belongs to, and the work moves compartment by compartment. Unless a resident asks otherwise, each lock is keyed separately from the others, and the visit closes with a simple list of which compartment received which lock and keys.

Mailbox Lock Replacement near you

Middlesex, Ontario

London information

Town
London, Middlesex, Ontario
In business
15 years
Hours
Open 24/7 · nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

What the census means at the door

52%

Older homes. About 52% of homes in London were built in 1980 or earlier, according to the 2021 Census.

Layers of paint build up on older doors and frames, and a lock that seemed to fail is sometimes a latch glued shut by the last coat. Part of the visit in an older area is freeing hardware, cleaning the edges and checking the door swings true.

49%

A mix of homes. Single-detached houses make up about 49% of homes in London (2021 Census).

In mixed neighbourhoods, a family may move from an apartment to a house or the other way around. A locksmith who knows both kinds of door can rekey the old place for the next occupant and set up the new one on the same visit.

Source: Statistics Canada, 2021 Census of Population

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Request a visit

The key still turns, but lately it spins a half-circle further than it used to before the little door lets go, and some mornings it takes a second try.

Call now · open 24/7(226) 785-2980
  • On-site assessment preferred
  • Same fees day, night or weekend
  • 15 years in business